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Finding the Fourth Proportional to 40,316, 55,636.08 and 23,549.12

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Solution

The fourth proportional to 40,316, 55,636.08 and 23,549.12 is: 32,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,316 : 55,636.08 = 23,549.12 : x
  2. Step 2: Convert to fraction form
    40,316/55,636.08 = 23,549.12/x
  3. Step 3: Cross multiply
    40,316x = 55,636.08 × 23,549.12
  4. Step 4: Simplify right side
    40,316x = 1,310,180,724.25
  5. Step 5: Solve for x
    x = 1,310,180,724.25/40,316
  6. Step 6: Final answer
    x = 32,497.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.